PLATE XXXVtI. 



PAGE 



Hyalonenm [Stylocalyx) apertum, F. E. S., . . 214 



Fig. 1. Longitudinal section of a specimen, preserved in alcohol; basal tuft in- 

 vested with a large colony of Palythoa ; natural size. 



Fig. 2. Longitudinal section of a specimen, preserved in alcohol ; basal tuft in- 

 vested with a smaller colony of Palythoa ; natural size. 



Fig. 3. Intact specimen, preserved in alcohol, view from the upper side ; natural 

 size. 



